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SQUAT/QPD Measurement Workshop

28–29 Oct 2025
SLAC
America/Los_Angeles timezone

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Contribution List

34 / 34
3. Welcome Session
Noah Kurinsky (SLAC)
28/10/2025, 09:00
4. SQUAT Device Overview
Taylor Aralis (SLAC)
28/10/2025, 09:15

Broad overview of detection strategy and project goals
5. QPD Device Overview
Brandon Sandoval (Caltech)
28/10/2025, 09:45

Broad overview of detection strategy and project goals
6. Introduction to Qubit Measurements
Hannah Magoon (Stanford University)
28/10/2025, 10:15

Introduce bloch sphere, transmon hamiltonian and charge sensitivity, parity signals
7. SQUAT Characterization
Alex Droster (Stanford University)
28/10/2025, 11:00

Coherence times, VNA scans, timestreams, power response, temperature response, next steps
8. QPD Characterization
Lanqing Yuan (Washington University in St. Louis)
28/10/2025, 11:20

Basic QPD checkouts, procedure for characterizing new devices
2. SMuRF Readout System
Jenny Smith (SLAC), Shawn Henderson (SLAC)
28/10/2025, 11:40

15+5
Overview of SLAC microresonator RF system
9. Basic Fridge Wiring
Taj Dyson (Stanford University)
28/10/2025, 12:00

Go over the basic RF setup, so we have a starting point to argue over isolators and filters
32. Group Photo
28/10/2025, 12:15
11. Packaging for Background Reduction
Yen-Yung Chang (UC Berkeley, Lawrence Berkeley National Laboratory)
28/10/2025, 13:30

Discuss housing designs to minimize IR and other backgrounds
31. Packaging Overview + Discussion
Aviv Simchony
28/10/2025, 13:45

An overview of the housings we are currently using with time to discuss people's preferences
12. Vibration Isolation
Sidney Stevens (SLAC)
28/10/2025, 14:00

Discuss design considerations and effects of vibration isolation on superconducting detectors
10. Measurement Demos!
Alex Droster (Stanford University), Hannah Magoon (Stanford University), Jenny Smith (SLAC), Taylor Aralis (SLAC)
28/10/2025, 14:15
  • Resonance frequency scan and fits
  • SMURF datataking procedure, timestreams & fits
  • Coherence times, etc.

Likely will end early, but we are blocking out extra time if needed!
1. B33 Open House
Hannah Magoon (Stanford University), Noah Kurinsky (SLAC), Shawn Henderson (SLAC), Sidney Stevens (SLAC), Taylor Aralis (SLAC)
28/10/2025, 16:00

Split into groups and tour B33, consider:
OLAF
BFG
Bench-top MEMS
Packaging options
Vibration isolation
Shielding cans
(CMB)
(NEMO)
(HVeV)
(BF5)
(SMPDs)
(spin qubits)
13. SQUAT Design
Alain Fauquex (UC Berkeley), Drew Gibson (UC Berkeley)
29/10/2025, 09:00

10+5 for questions
14. QPD Design
William Ho (Karthik Ramanathan / WashU)
29/10/2025, 09:15

10+5 for questions
15. G4CMP Simulations
Selby Dang (Stanford/SLAC), Shilin Ray (Caltech)
29/10/2025, 09:30

15+5 for questions
16. Antenna Coupling Simulations
John Batarekh (University of Wisconsin-Madison)
29/10/2025, 09:50

10+5 for questions
17. Long-Feedline Designs
Eric Du (UC Berkeley)
29/10/2025, 10:05

10+5 for questions
18. Open Collaboration Time
Chiara Salemi (UC Berkeley and LBNL)
29/10/2025, 10:20
19. Berkeley Fab Update
Yashwanth Balaji (Lawrence Berkeley National Lab)
29/10/2025, 11:00

10+5 for questions
20. SLAC Fab Update
Riley Carpenter (SLAC)
29/10/2025, 11:15

10+5 for questions
21. JPL Fab Update
Pierre Echternach (Jet Propulsion Laboratory)
29/10/2025, 11:30

10+5 for questions
22. Northwestern Fab Update
Alejandro Rodriguez (Northwestern University)
29/10/2025, 11:45

10+5 for questions
23. Open Collaboration Time
Hannah Magoon (Stanford University)
29/10/2025, 12:00
24. MEMS System
Sidney Stevens (SLAC), Zoe Smith
29/10/2025, 13:30

10+5 for questions
25. Terrahertz Calibration
Emily Perry (Lawrence Berkeley National Laboratory (LBNL))
29/10/2025, 13:45

10+5 for questions
26. Energy Calibration
Aditi Pradeep (SLAC), Brian Lenardo (SLAC)
29/10/2025, 14:00

10+5 for questions
27. Radioactive Sources
Grace Bratrud (Northwestern University)
29/10/2025, 14:15

10+5 for questions
28. Open Collaboration Time
29/10/2025, 14:30
29. KITWPAs
Farzad Faramarzi (Jet Propulsion Laboratory)
29/10/2025, 15:15

15+5 for questions
30. JTWPAs
Jennifer Wang (Massachusetts Institute of Technology)
29/10/2025, 15:35

15+5
33. Ongoing Collaboration Discussion (When2Meet)
29/10/2025, 15:55
34. Workshop Retrospective
29/10/2025, 16:45

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